via-rhine: set avoid_D3 for broken BIOSes

This patch sets avoid_D3 for BIOSes known to be broken. Said BIOSes fail
at PXE boot if the chip is in power state D3.

Signed-off-by: Roger Luethi <rl@hellgate.ch>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index ebbda1d..f3a972e 100644 (file)
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -30,8 +30,8 @@
 */
 
 #define DRV_NAME       "via-rhine"
-#define DRV_VERSION    "1.4.2"
-#define DRV_RELDATE    "Sept-11-2006"
+#define DRV_VERSION    "1.4.3"
+#define DRV_RELDATE    "2007-03-06"
 
 
 /* A few user-configurable values.
@@ -105,6 +105,7 @@ static const int multicast_filter_limit = 32;
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/uaccess.h>
+#include <linux/dmi.h>
 
 /* These identify the driver base version and may not be removed. */
 static char version[] __devinitdata =
@@ -1995,6 +1996,23 @@ static struct pci_driver rhine_driver = {
        .shutdown =     rhine_shutdown,
 };
 
+static struct dmi_system_id __initdata rhine_dmi_table[] = {
+       {
+               .ident = "EPIA-M",
+               .matches = {
+                       DMI_MATCH(DMI_BIOS_VENDOR, "Award Software International, Inc."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "6.00 PG"),
+               },
+       },
+       {
+               .ident = "KV7",
+               .matches = {
+                       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "6.00 PG"),
+               },
+       },
+       { NULL }
+};
 
 static int __init rhine_init(void)
 {
@@ -2002,6 +2020,16 @@ static int __init rhine_init(void)
 #ifdef MODULE
        printk(version);
 #endif
+       if (dmi_check_system(rhine_dmi_table)) {
+               /* these BIOSes fail at PXE boot if chip is in D3 */
+               avoid_D3 = 1;
+               printk(KERN_WARNING "%s: Broken BIOS detected, avoid_D3 "
+                                   "enabled.\n",
+                      DRV_NAME);
+       }
+       else if (avoid_D3)
+               printk(KERN_INFO "%s: avoid_D3 set.\n", DRV_NAME);
+
        return pci_register_driver(&rhine_driver);
 }